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TLC59731DR

Name: TLC59731DR
Rating: 4.7 (12 reviews)

IC LED DRIVER LINEAR 50MA 8SOIC

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規格

Series	EasySet™
Part Status	Active
Type	Linear
Topology	Shift Register
Internal Switch(s)	Yes
Number of Outputs	3
Voltage - Supply (Min)	3V
Voltage - Supply (Max)	6V
Voltage - Output	21V
Current - Output / Channel	50mA
Frequency	6MHz
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SOIC
Base Product Number	TLC59731

概述

Description

The TLC59731DR is a 16-channel LED driver from Texas Instruments, designed for controlling RGB LED strips and arrays. It features a serial input interface, allowing for easy daisy chaining of multiple devices, making it suitable for large lighting applications. Each channel provides 12-bit PWM (Pulse Width Modulation) control, enabling smooth dimming and color mixing.
The device supports a wide range of supply voltages (3.0V to 5.5V) and offers integrated diagnostics, including open LED detection and over-temperature protection. Its architecture allows for a high refresh rate, ensuring minimal flicker in LED displays.
The TLC59731DR is ideal for applications in decorative lighting, signage, and display backlighting, providing precise control over LED brightness and color. It comes in a compact QFN package, facilitating easy integration into various designs.

Features

The TLC59731DR is a 16-channel LED driver from Texas Instruments designed for high-performance LED applications. Key features include:
1. 16-Channel Output: Supports individual control of up to 16 LEDs.
2. 12-Bit Grayscale Resolution: Provides smooth color transitions and high brightness control.
3. Programmable Current Control: Each channel can be set for a specific output current, enhancing flexibility in LED designs.
4. I2C Interface: Allows easy integration and communication with microcontrollers for control and diagnostics.
5. Built-in Error Detection: Monitors LED functionality with open and short circuit detection.
6. Low Power Consumption: Suitable for battery-operated devices.
7. Thermal Protection: Integrated features to prevent overheating during operation.
8. Dimming Capability: Supports various dimming techniques for enhanced visual effects.
This combination of features makes the TLC59731DR ideal for applications in LED displays, signage, and lighting systems.

Package

The TLC59731DR is packaged in a VQFN (Very Thin Quad Flat No-lead) format, specifically a 48-pin package. This type of package is known for its compact size and efficient thermal performance, making it suitable for space-constrained applications.

Pinout

The TLC59731DR is a 16-channel LED driver with a pin count of 48. It is designed for RGB LED applications, allowing for precise control of color and brightness.
### Pin Functions:
1. Power and Ground Pins: Provide necessary power supply and ground connections.
2. Input Pins: Include control signals like SDI (serial data input), SDO (serial data output), and BLANK for controlling the operation of the device.
3. Clock Pins: CLK pin for synchronizing data communication.
4. Output Pins: 16 channels to directly connect to RGB LEDs, allowing for individual control of each LED.
5. Configuration Pins: For setting up the driver’s operational modes and features, including a pin for thermal shutdown.
This device is commonly used in applications requiring high-performance LED driving, such as displays and lighting systems.

Manufacturer

The TLC59731DR is manufactured by Texas Instruments (TI), a prominent technology company based in the United States. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits. The company is widely recognized for its innovations in analog, embedded processing, and digital signal processing technologies. TI serves a broad spectrum of industries, including automotive, industrial, communications, and consumer electronics. The TLC59731DR is a 16-channel LED driver designed for precise color control in LED applications, showcasing TI's expertise in providing solutions for lighting and display technologies.

Application

The TLC59731DR is primarily used in LED lighting applications, including color mixing, decorative lighting, and signage. Its key features facilitate precise color control in RGB and RGBW LED setups. Additional application areas include automotive lighting, architectural lighting, and stage lighting, where high-resolution dimming and grayscale control are essential for creating dynamic visual effects.

Equivalent

The TLC59731DR is a 16-channel LED driver with a built-in PWM control. Equivalent products include the MAX6969, TLC5940, and MCPWM-16. Other alternatives may be found in similar families from manufacturers like STMicroelectronics and ON Semiconductor, but specific compatibility will depend on the application, such as channel count, PWM control, and communication protocols. Always verify pin configuration and features before substitution.